<?php

namespace app\admin\model\shop;

use think\Model;


class Category extends Model
{





    // 表名
    protected $name = 'shop_category';

    // 自动写入时间戳字段
    protected $autoWriteTimestamp = 'integer';

    // 定义时间戳字段名
    protected $createTime = 'createtime';
    protected $updateTime = 'updatetime';
    protected $deleteTime = false;

    // 追加属性
    protected $append = [
        'flag_text',
    ];


    protected static function init()
    {
        self::afterInsert(function ($row) {
            $pk = $row->getPk();
            $row->getQuery()->where($pk, $row[$pk])->update(['weigh' => $row[$pk]]);
        });
    }


    public function getFlagList()
    {
        return ['hot' => __('Hot'), 'index' => __('Index'), 'recommend' => __('Recommend')];
    }



    public function getFlagTextAttr($value, $data)
    {
        $value = $value ?: ($data['flag'] ?? '');
        $valueArr = explode(',', $value);
        $list = $this->getFlagList();
        return implode(',', array_intersect_key($list, array_flip($valueArr)));
    }



    protected function setFlagAttr($value)
    {
        return is_array($value) ? implode(',', $value) : $value;
    }


    public static function getCategoryChildrenIds($ids, $withself = true)
    {

        $categoryList = \app\admin\model\shop\Category::where('status', 'normal')
            ->order('weigh desc,id desc')
            //->cache(true)
            ->select();

        $result = [];
        $tree = \fast\Tree::instance();
        $tree->init(collection($categoryList)->toArray(), 'pid');
        $CategoryIds = is_array($ids) ? $ids : explode(',', $ids);
        foreach ($CategoryIds as $index => $CategoryId) {
            $result = array_merge($result, $tree->getChildrenIds($CategoryId, $withself));
        }

        return $result;
    }
}
